petsc-3.11.4 2019-09-28
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PCMGGetGalerkin

 Checks if Galerkin multigrid is being used, i.e. A_i-1 = r_i * A_i * p_i

Synopsis

#include "petscksp.h" 
PetscErrorCode  PCMGGetGalerkin(PC pc,PCMGGalerkinType  *galerkin)
Not Collective

Input Parameter

pc -the multigrid context

Output Parameter

galerkin -one of PC_MG_GALERKIN_BOTH,PC_MG_GALERKIN_PMAT,PC_MG_GALERKIN_MAT, PC_MG_GALERKIN_NONE, or PC_MG_GALERKIN_EXTERNAL

Keywords

MG, set, Galerkin

See Also

PCMGSetGalerkin(), PCMGGalerkinType

Level

intermediate

Location

src/ksp/pc/impls/mg/mg.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages